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Abstract <p>Transport of ballistic electrons through a 1D-dimensional quantum ring (subjected to Rashba spin–orbit interaction), connected with two external leads, is studied in the presence of external fields. These fields include the optical radiation, produced by an off-resonant high-frequency electric field, and a perpendicular magnetic field. With the aid of the Floquet theory, the key role of the interplay between the optical radiation intensity and the Rashba interaction is established for spin filtering effect of an initially arbitrary polarized electron beam at zero and low magnetic fields.</p>

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Spin Filtering in Ring Conductors by Electromagnetic Dressing

  • 期刊论文

  • 发表日期：

    2025年8月29日

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  • N. D. Tung,
  • M. Pudlak,
  • N. S. Simonović,
  • R. G. Nazmitdinov

摘要

Abstract

Transport of ballistic electrons through a 1D-dimensional quantum ring (subjected to Rashba spin–orbit interaction), connected with two external leads, is studied in the presence of external fields. These fields include the optical radiation, produced by an off-resonant high-frequency electric field, and a perpendicular magnetic field. With the aid of the Floquet theory, the key role of the interplay between the optical radiation intensity and the Rashba interaction is established for spin filtering effect of an initially arbitrary polarized electron beam at zero and low magnetic fields.